881986784628 has 24 divisors (see below), whose sum is σ = 2091706365280. Its totient is φ = 289175994720.

The previous prime is 881986784617. The next prime is 881986784663. The reversal of 881986784628 is 826487689188.

It is a self number, because there is not a number n which added to its sum of digits gives 881986784628.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 602449258 + ... + 602450721.

Almost surely, 2^881986784628 is an apocalyptic number.

It is an amenable number.

881986784628 is an abundant number, since it is smaller than the sum of its proper divisors (1209719580652).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

881986784628 is a wasteful number, since it uses less digits than its factorization.

881986784628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1204900047 (or 1204900045 counting only the distinct ones).

The product of its digits is 594542592, while the sum is 75.

The spelling of 881986784628 in words is "eight hundred eighty-one billion, nine hundred eighty-six million, seven hundred eighty-four thousand, six hundred twenty-eight".